<div id="Footer">

    <div id="PoweredBy">
        &nbsp<a href="#">www.csu.edu.cn</a>
    </div>

    <div id="Banner">
        <span th:if="${account} != null">
            <span th:if="${account.authenticated == true}">
                ${account.bannerName}
            </span>
        </span>
    </div>

</div>

<script src="http://code.jquery.com/jquery-2.1.1.min.js"></script>